Home / 285,441.20-393,909.24-158,114.16

Finding the Fourth Proportional to 285,441.20, 393,909.24 and 158,114.16

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Solution

The fourth proportional to 285,441.20, 393,909.24 and 158,114.16 is: 218,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,441.20 : 393,909.24 = 158,114.16 : x
  2. Step 2: Convert to fraction form
    285,441.20/393,909.24 = 158,114.16/x
  3. Step 3: Cross multiply
    285,441.20x = 393,909.24 × 158,114.16
  4. Step 4: Simplify right side
    285,441.20x = 62,282,628,598.84
  5. Step 5: Solve for x
    x = 62,282,628,598.84/285,441.20
  6. Step 6: Final answer
    x = 218,197.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.